GUPnPDLNAGstImageInformation *
gupnp_dlna_gst_image_information_new_from_discoverer_info
(GstDiscovererInfo *info)
{
GList* image_list;
GUPnPDLNAGstImageInformation *image_info = NULL;
g_return_val_if_fail (GST_IS_DISCOVERER_INFO (info), NULL);
image_list = gst_discoverer_info_get_video_streams (info);
if (image_list) {
if ((image_list->next == NULL) &&
gst_discoverer_video_info_is_image
(GST_DISCOVERER_VIDEO_INFO (image_list->data)))
image_info = GUPNP_DLNA_GST_IMAGE_INFORMATION
(g_object_new
(GUPNP_TYPE_DLNA_GST_IMAGE_INFORMATION,
"info", info,
NULL));
gst_discoverer_stream_info_list_free (image_list);
}
return image_info;
}
GUPnPDLNAInformation *
gupnp_dlna_information_new_from_discoverer_info (GstDiscovererInfo *info,
GList *profiles)
{
GUPnPDLNAInformation *dlna;
GList *video_list, *audio_list;
gchar *name = NULL, *mime = NULL;
video_list = gst_discoverer_info_get_video_streams (info);
audio_list = gst_discoverer_info_get_audio_streams (info);
if (video_list) {
if ((g_list_length (video_list) ==1 ) &&
gst_discoverer_video_info_is_image
(GST_DISCOVERER_VIDEO_INFO
(video_list->data))) {
GstDiscovererStreamInfo *stream;
stream = (GstDiscovererStreamInfo *) video_list->data;
guess_image_profile (stream, &name, &mime, profiles);
} else
guess_video_profile (info, &name, &mime, profiles);
} else if (audio_list)
guess_audio_profile (info, &name, &mime, profiles);
gst_discoverer_stream_info_list_free (audio_list);
gst_discoverer_stream_info_list_free (video_list);
dlna = gupnp_dlna_information_new (name, mime, info);
g_free (name);
g_free (mime);
return dlna;
}
/**
* gst_discoverer_stream_info_get_stream_type_nick:
* @info: a #GstDiscovererStreamInfo
*
* Returns: a human readable name for the stream type of the given @info (ex : "audio",
* "container",...).
*
* Since: 0.10.31
*/
const gchar *
gst_discoverer_stream_info_get_stream_type_nick (GstDiscovererStreamInfo * info)
{
if (GST_IS_DISCOVERER_CONTAINER_INFO (info))
return "container";
if (GST_IS_DISCOVERER_AUDIO_INFO (info))
return "audio";
if (GST_IS_DISCOVERER_VIDEO_INFO (info)) {
if (gst_discoverer_video_info_is_image ((GstDiscovererVideoInfo *)
info))
return "video(image)";
else
return "video";
}
return "unknown";
}
static gboolean
check_is_image (GstDiscovererInfo * info)
{
gboolean ret = FALSE;
GList *video_streams = gst_discoverer_info_get_video_streams (info);
if (g_list_length (video_streams) == 1) {
if (gst_discoverer_video_info_is_image (video_streams->data)) {
GList *audio_streams = gst_discoverer_info_get_audio_streams (info);
if (audio_streams == NULL)
ret = TRUE;
else
gst_discoverer_stream_info_list_free (audio_streams);
}
}
gst_discoverer_stream_info_list_free (video_streams);
return ret;
}
static void
guess_image_profile (GstDiscovererStreamInfo *info,
gchar **name,
gchar **mime,
GList *profiles)
{
GstCaps *caps;
GList *i;
gboolean found = FALSE;
GUPnPDLNAProfile *profile;
GstEncodingProfile *enc_profile;
const GstDiscovererVideoInfo *video_info =
GST_DISCOVERER_VIDEO_INFO (info);
if (!info || !gst_discoverer_video_info_is_image (video_info))
return;
caps = caps_from_video_stream_info (info);
for (i = profiles; !found && i; i = i->next) {
profile = (GUPnPDLNAProfile *)(i->data);
enc_profile = gupnp_dlna_profile_get_encoding_profile (profile);
/* Optimisation TODO: this can be pre-computed */
if (!is_video_profile (enc_profile))
continue;
if (match_profile (enc_profile,
caps,
GST_TYPE_ENCODING_VIDEO_PROFILE)) {
/* Found a match */
*name = g_strdup (gupnp_dlna_profile_get_name (profile));
*mime = g_strdup (gupnp_dlna_profile_get_mime (profile));
break;
}
}
gst_caps_unref (caps);
}
